O2 Sensor Location

Its on the passenger side, on the exhaust pipe right before the cat. If you slide in under the truck right behind the passenger front tire and hit your head on the trans you will see it. It kind of looks like a spark plug. Here is a guide to help replace it with diagrams below to show you how on your car

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.